Base | Representation |
---|---|
bin | 111100011001111… |
… | …110001110010111 |
3 | 2121121222011021211 |
4 | 330121332032113 |
5 | 4033420111211 |
6 | 244321322251 |
7 | 34054052512 |
oct | 7431761627 |
9 | 2547864254 |
10 | 1013441431 |
11 | 480074602 |
12 | 243496387 |
13 | 131c652b2 |
14 | 98849d79 |
15 | 5de88e21 |
hex | 3c67e397 |
1013441431 has 4 divisors (see below), whose sum is σ = 1013564664. Its totient is φ = 1013318200.
The previous prime is 1013441419. The next prime is 1013441441. The reversal of 1013441431 is 1341443101.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1013441431 - 29 = 1013440919 is a prime.
It is a super-2 number, since 2×10134414312 = 2054127068134655522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1013441441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48325 + ... + 66046.
It is an arithmetic number, because the mean of its divisors is an integer number (253391166).
Almost surely, 21013441431 is an apocalyptic number.
1013441431 is a deficient number, since it is larger than the sum of its proper divisors (123233).
1013441431 is an equidigital number, since it uses as much as digits as its factorization.
1013441431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123232.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 1013441431 is about 31834.5948772715. The cubic root of 1013441431 is about 1004.4605509025.
Adding to 1013441431 its reverse (1341443101), we get a palindrome (2354884532).
The spelling of 1013441431 in words is "one billion, thirteen million, four hundred forty-one thousand, four hundred thirty-one".
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